1967 Marvel X-Men #31 Graded Comic Book CGC 3.5 1st Appearance Cobalt Man

Add a foundational Silver Age milestone to your collection. This 1967 Marvel Comics X-Men #31 features the highly anticipated first appearance and origin of Cobalt Man (Ralph Roberts).

Professionally graded by CGC at a 3.5 (Very Good minus), this historic issue captures the peak of Stan Lee and Jack Kirby's legendary era, featuring iconic cover art by Dan Adkins. Whether you are looking to complete your classic X-Men run or investing in key Silver Age first appearances, this graded book makes a stellar addition to any comic portfolio.